Photos of ground beetles in nature (Coleoptera, Carabidae)

Community and Forum → Insects images → Photos of ground beetles in nature (Coleoptera, Carabidae)

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22.08.2016 22:34, evk

On another trip to Primorye, we managed to shoot quite a lot of Far Eastern beetles, and, of course, ground beetles. I'll start with the genus Carabus.

Carabus (Acoptolabrus) schrencki Motschulsky, 1860
Primorsky Krai, Shkotovsky district, Livadiysky ridge, near Anisimovka.
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Carabus (Coptolabrus) smaragdinus Fischer, 1823
Primorsky Krai, Hasansky district, Gamov's cape.
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Carabus (Carabus) granulatus telluris Bates, 1883
Primorsky Krai, Hasansky district, Gamov's cape.
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Carabus (Eucarabus) billbergi Mannerheim, 1827
Primorsky Krai, Hasansky district, Gamov's cape.
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Carabus (Hemicarabus) tuberculosus Dejean, 1829
Primorsky Krai, Hasansky district, Gamov's cape.
picture: Carabus__Hemicarabus__tuberculosus_01.jpg

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Carabus (Morphocarabus) hummeli Fischer, 1823
Primorsky Krai, Shkotovsky district, Livadiysky ridge, neighborhood of the settlement of Anisimovka.
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Carabus (Aulonocarabus) canaliculatus Adams, 1812
Primorsky Krai, Hasansky district, Gamov's cape.
picture: Carabus_canaliculatus_04.jpg

Carabus (Morphocarabus) wulffiusi Morawitz, 1862
Primorsky Krai, Hasansky district, Gamov's cape.
picture: Carabus__Morphocarabus__wulffiusi_01.jpg

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This post was edited by evk - 08/23/2016 12: 39

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27.08.2016 0:09, rpanin

Roman, how can we reliably distinguish scabriusculus, errans, and haeres-fossulatus by their external features? Do they meet together? And are there any relatively recent errans discovery sites in Russia?

This issue has already been discussed in the topic "Trachycarabus". but I'll repeat it briefly .
On an individual basis, it is quite difficult to determine, since there is a rather strong spread of external signs, including uncharacteristic ones. In the same series-easy.
scabriusculus - smaller 18-22 mm, max. 24 mm. It occurs sympatrically together with haeres and perrini.
sibiricus haeres - 23-26 mm, elytra widest in the middle. The pits in the primary spaces are wider and deeper than in errans . In the form fossulatus, it is even deeper and wider than in the common sibiricus haeres .

sibiricus errans - 24-30 mm. The elytra are larger, and the elytra of most individuals are broadest closer to the apex of the elytra. (in the lower third). The pits on the supracrilles are generally smaller than in haeres. In the east of the range, there are forms similar to sibiricus bosphoranus: smaller, with smoother elytra sculpture, and even smaller elite pits than in the common errans.

This post was edited by rpanin - 08/27/2016 00: 10

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